13555880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 33264000

約数和(自身を除く): 19708120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 199, 260, 262, 398, 520, 524, 655, 796, 995, 1048, 1310, 1592, 1703, 1990, 2587, 2620, 3406, 3980, 5174, 5240, 6812, 7960, 8515, 10348, 12935, 13624, 17030, 20696, 25870, 26069, 34060, 51740, 52138, 68120, 103480, 104276, 130345, 208552, 260690, 338897, 521380, 677794, 1042760, 1355588, 1694485, 2711176, 3388970, 6777940, 13555880]

約数ペア:

[(1, 13555880), (2, 6777940), (4, 3388970), (5, 2711176), (8, 1694485), (10, 1355588), (13, 1042760), (20, 677794), (26, 521380), (40, 338897), (52, 260690), (65, 208552), (104, 130345), (130, 104276), (131, 103480), (199, 68120), (260, 52138), (262, 51740), (398, 34060), (520, 26069), (524, 25870), (655, 20696), (796, 17030), (995, 13624), (1048, 12935), (1310, 10348), (1592, 8515), (1703, 7960), (1990, 6812), (2587, 5240), (2620, 5174), (3406, 3980)]